Improper Authentication Vulnerability in Dynamics Business Central by Microsoft
CVE-2026-105728

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Dynamics Nav 2018
Vendor
CVE Published:
13 October 2026

What is CVE-2026-105728?

An improper authentication vulnerability in Dynamics Business Central has been identified, allowing unauthorized attackers to potentially disclose sensitive information over a network. This could enable attackers to exploit the system and gain access to confidential data, emphasizing the importance of applying security updates and monitoring systems for unusual activity.

Affected Version(s)

Microsoft Dynamics NAV 2018 Windows Server 2012 1.0 < 11.0.50736.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.